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Summary of Accumulated Other Comprehensive Income (Detail) - CAD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning Balance | $ 134,780 |
Ending Balance | 159,714 | $ 134,780
Unrealized Foreign Currency Translation Gains (Losses) [member] |  |
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning Balance | 472,401 | 483,657
Other comprehensive income (loss) | 106,669 | (11,256)
Ending Balance | 579,070 | 472,401
Foreign Exchange Gain (Loss) on Net Investment Hedge [member] |  |
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning Balance | (343,019) | (351,474)
Other comprehensive income (loss) | (81,735) | 8,455
Ending Balance | (424,754) | (343,019)
Tax Benefit Related To Net Investment Hedge Of Long Term Debt [Member] |  |
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning Balance | 5,398 | 5,398
Ending Balance | 5,398 | 5,398
Accumulated Other Comprehensive Income [Member] |  |
Disclosure Of Accumulated Other Comprehensive Income Loss [Line Items] |  |
Beginning Balance | 134,780 | 137,581
Other comprehensive income (loss) | 24,934 | (2,801)
Ending Balance | $ 159,714 | $ 134,780

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- Definition The amount of accumulated items of income and expense (including reclassification adjustments) that are not recognised in profit or loss as required or permitted by other IFRSs. [Refer: IFRSs [member]; Other comprehensive income] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition The amount of income and expense (including reclassification adjustments) that is not recognised in profit or loss as required or permitted by IFRSs. [Refer: IFRSs [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2022-03-24 -Paragraph B12 -Subparagraph b -Clause viii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2022-en-r&anchor=para_B12_b_viii&doctype=Appendix&subtype=B -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 81A -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_81A_b&doctype=Standard -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 91 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_91_a&doctype=Standard -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 106 -Subparagraph d -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_106_d_ii&doctype=Standard -URIDate 2022-03-24 + Details
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